UEFITool is a cross-platform C++/Qt program for parsing, extracting and modifying UEFI firmware images
It supports parsing of full BIOS images starting with the flash descriptor or any binary files containing UEFI volumes
Original development was started at MDL forums as a cross-platform analog to PhoenixTool's structure mode with some additional features, but the program's engine was proven to be usefull for another projects like UEFIPatch, UBU and OZMTool
Updated on Mar 26 2020
Note: Although Finder indicates no version number for this application, the developer refers to it as version 0.28.0.